| Name | CVE-2017-8820 |
| Description | In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, remote attackers can cause a denial of service (NULL pointer dereference and application crash) against directory authorities via a malformed descriptor, aka TROVE-2017-010. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4054-1 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| tor (PTS) | bullseye (security), bullseye | 0.4.5.16-1 | fixed |
| bookworm, bookworm (security) | 0.4.7.16-1 | fixed | |
| sid, trixie | 0.4.8.13-2 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|---|---|---|---|---|---|
| tor | source | wheezy | (unfixed) | end-of-life | ||
| tor | source | jessie | 0.2.5.16-1 | DSA-4054-1 | ||
| tor | source | stretch | 0.2.9.14-1 | DSA-4054-1 | ||
| tor | source | (unstable) | 0.3.1.9-1 |
[wheezy] - tor <end-of-life> (Not supported in wheezy LTS)
https://bugs.torproject.org/24245
https://blog.torproject.org/new-stable-tor-releases-security-fixes-0319-03013-02914-02817-02516